Signal timing schedule for traffic control plan
Subtitle: report and recommendations to San Francisco Traffic Law Enforcement Board
By: by Special Committee.
Contributors: San Francisco (Calif.). Police Dept. Traffic Bureau.; San Francisco (Calif.). Bureau of Engineering. Traffic Division.; California State Automobile Association.; San Francisco Traffic Survey Committee.; San Francisco (Calif.). Dept. of Electricity.; San Francisco Traffic Law Enforcement Board.
Publisher: [Police Dept.]
Published: 1929
Place of publication: San Francisco, Calif
Language: eng
Number of pages: 28
Subjects: Traffic flow -- California -- San Francisco; Traffic signs and signals -- California -- San Francisco; Automatic timers; Traffic engineering -- California -- San Francisco
Notes: "Representing: Police Department Traffic Bureau--City of San Francisco; Bureau of Engineering, Traffic Division--City of San Francisco; California State Automobile Association; San Francisco Traffic Survey Committee; co-operating with Department of Electricity--City of San Francisco."

"June 15, 1929."

Typescript.